A motorist travelled from town a to b at an average speed of 54 km/hr. on his return journey , his age rate speed was 60 km/hr . if the total time taken is 9/1/2 hours when it is in mixed fraction. find the distance between the two towns
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the answer is 275. this picture contains the procedure .
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boobnadivyansh:
9 and a half hours
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Answer: x= 63
Step-by-step explanation:
Let the speed of one motorcycle1 be x.
Then motorcycle2 will be x+7 ((7 kmph faster))
AFTER TWO HOURS
Motorcycle1: 2×x
Motorcycle2: 2×x+7
2x + 2(x+7)+ 34 =300
2x + 2x+14 + 34=300
4x + 48 =300
4x= 300- 48
4x= 252
x= 252÷4
x= 63
Therefore motorcycle1 is at a speed of 63kmph while motorcycle2 is at a speed of 63+7=70 kmph.
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